In this chilling true crime episode, we explore the horrifying case of Kim Tae-Hyun, a South Korean man whose obsession escalated from online stalking to brutal triple murder — and an eerie aftermath that shook the nation. Kim befriended a woman through an online game, but when she cut off communication, his fixation grew into dangerous aggression.
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On March 23, 2021, Kim disguised himself as a delivery worker to enter the family’s home in Seoul. Once inside, he stabbed the younger sister to death, later killing the mother and his original target as they arrived home. What followed made the case even more disturbing: Kim stayed in the apartment with the three corpses for days, eating their food and remaining at the scene until police found him with self-inflicted injuries.
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Mothership
The case led to widespread concern over stalking, cyber relationships, and online gaming interactions that unexpectedly turned violent.